Why is D unpopular?

[Walter Bright]

On 5/1/2022 6:35 AM, Guillaume Piolat wrote:
> **slices**
>     Go and Rust had it from the start, Nimrod got them etc.
>     I unfortunately lack the time to do a complete research about prior, because 
> it seems surprising to me no other native language had them before D. I have a 
> strong feeling that like other successful features, the experience of D was 
> strongly influencing other designs.

D slices date back to 2001 or so. I don't know any language before that that had 
such a thing as part of the language. Of course people would do it in ad-hoc 
manners.


> In sharp contrast, there are less-impressive ideas that - like it or not - were 
> left behind:
> - pure
> - TLS by default
> - shared
> - transitive immutability
> - insert features you hate here

I think constexpr in C++ implies pure. Rust kinda sorta has transitivity, it's 
inherent to its borrowing system.